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Create the page "Flask" on this wiki! See also the search results found.

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• Schlenk flask
  ...hlenk flask''' (also called '''Schlenk tube''' or '''nitrogen round-bottom flask''') is a reaction vessel often used in air-sensitive chemistry or for stori ===Standard Schlenk flask===
  3 KB (503 words) - 03:54, 11 April 2019
• Büchner flask
  ...'side-arm flask''' or '''Kitasato flask''', is a thick-walled [[Erlenmeyer flask]] used in combination with a [[Büchner funnel]] and a vacuum source in vac ...ess risk of breaking the lateral tube, which would make a typical side-arm flask unusable. Some Büchner flasks have ground glass joint.
  2 KB (252 words) - 19:18, 29 January 2019
• Erlenmeyer flask
  ...:Petroleum_ether_in_Erlenmeyer_flask.jpg|thumb|300px|Wide mouth Erlenmeyer flask with [[petroleum ether]]]] ...amed '''conical flask''' or '''titration flask''', is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck. It is
  2 KB (317 words) - 17:16, 18 November 2019
• Volumetric flask
  [[File:100mL volumetric flask.jpg|thumb|200px|A 100 mL volumetric flask]] ...ed '''measuring flask''' or '''graduated flask''') is a type of laboratory flask, calibrated to contain a precise volume of liquid at a particular temperatu
  3 KB (430 words) - 08:04, 5 May 2018
• Round-bottom flask
  ...ottomed flask''', '''round bottom''') or '''RBF''' for short, is a type of flask with spherical bottom used as laboratory glassware, mostly often for synthe ...f the ground glass joint depends on the volume of the flask, for example a flask with a volume of 5 or 10 ml cannot have a 29/32 or 29/40 ground glass joint
  3 KB (510 words) - 19:20, 10 July 2023
• Florence flask
  ...:Florence flask with solution.jpg|thumb|300px|An old and worn out Florence flask]] A '''Florence flask''' or '''flat bottom flask''', is a type of flask used as an item of laboratory glassware to hold liquids.
  1 KB (215 words) - 14:29, 8 April 2019
• Fernbach flask
  A '''Fernbach flask''' or '''Fernbach culture flask''' is a type of flask suited for large volume cell culture where the culture requires a large sur ...ve a screw and plastic lid with an air membrane, to allow air to enter the flask, but prevent contamination.
  1 KB (152 words) - 23:28, 22 March 2020
• Kjeldahl flask
  The '''Kjeldahl flask''' is a [[round-bottom flask]] with a long wide neck that is used in the determination of nitrogen by Kj ...similar in appearance to a [[volumetric flask]] or a long neck [[Florence flask]]. Kjeldahl flasks are made of borosilicate glass.
  1 KB (156 words) - 13:37, 3 March 2018
• Vacuum flask
  ...engthens the time over which its contents remain hotter or cooler than the flask's surroundings. The vacuum flask consists of two flasks, placed one within the other and joined at the neck.
  2 KB (290 words) - 21:08, 4 March 2018
• Würtz flask
  A '''Würtz flask''' or '''Wurtz flask''' is a type of flask used in distillations. The flask consists of a [[round-bottom flask]] with a ground glass joint and long neck, from where a lateral tube emerge
  573 B (80 words) - 20:38, 6 June 2018
• Claisen flask
  ...k''' or '''Claisen distillation flask''' is a special type of distillation flask used in several procedures, like vacuum distillation. It was invented by Ra ...of the Claisen flask is a U-shaped neck fused on the top of the flask. The flask itself is often round-bottom or pear-shaped. The U-shape (or bifurcation) i
  1 KB (218 words) - 16:23, 19 March 2019

Page text matches

• Acetone
  ...tes lots of heat, which causes the products to evaporate from the reaction flask.
  8 KB (1,019 words) - 17:44, 1 January 2022
• Bromine
  ...nd sulfuric acid, which is risky, adding sulfuric acid to the bromine in a flask cooled in an ice bath can be much safer. Then separate using a separatory f
  14 KB (1,973 words) - 11:41, 25 June 2023
• Aluminium chloride
  ...d in airtight sealed containers, to prevent it from hydrolyzing. [[Schlenk flask]]s are often used or long term storage, and ampouling may also be used for
  6 KB (716 words) - 18:37, 7 February 2024
• Ammonia
  ...oluble gases in water and prevent water from rushing back into the heating flask. A pure, surfactant free solution of ammonia forms in the trap.
  11 KB (1,471 words) - 22:56, 24 August 2023
• Ammonium nitrate
  ...he chemicals should be added in dry form to a round-bottom or [[Erlenmeyer flask]] with a stopper and gas tubing ready to channel the ammonia. Upon the addi
  10 KB (1,381 words) - 21:26, 22 March 2023
• Cleaning glassware
  ...ulting steam will wash away any leftover lime. Tubes should be placed in a flask, also bottom up. This is not required if the glassware was rinsed previousl
  11 KB (1,909 words) - 21:41, 2 December 2018
• Diethyl ether
  <u>Attention</u>: do not spray the content of the can into a flask! This way, a lot of ether is lost (sciencemadness user Ave369 only distille ...of the fluid, then carefully inject the chilled fluid in the distillation flask using the can's long straw or another plastic straw, if the can doesn't com
  11 KB (1,632 words) - 13:38, 26 August 2023
• Diisopropyl ether
  ...d with a well greased stopcock, held in place with a clamp. Keep the ether flask in a safe place.
  6 KB (711 words) - 20:05, 9 November 2018
• Distillation
  ...difference causes it to condense into a liquid and drip into the receiving flask. Simple distillation is used when the components being separated have a lar
  3 KB (472 words) - 18:49, 22 July 2023
• Ethanol
  ...t the dry ethanol in a ground glass joint glass flask, like a round bottom flask and seal it using a well greased plug or [[stopcock]].
  14 KB (1,953 words) - 20:56, 9 September 2023
• Glassware
  100mL volumetric flask.jpg|A 100 mL volumetric flask ===[[Erlenmeyer flask]]s===
  13 KB (1,961 words) - 21:49, 1 May 2019
• Methyl formate
  ...ow boiling point, methyl formate may bump if the heating element heats the flask too much, unless you have very good temperature control. The resulting dist
  6 KB (769 words) - 18:41, 9 July 2023
• Nitromethane
  ...next, leaving the castor oil and other high boiling point fractions in the flask (vacuum distillation can be benefitial at this point as it prevents thermal
  10 KB (1,375 words) - 20:01, 16 May 2023
• Polytetrafluoroethylene
  ...l stirrer adapter, [[reaction vessel]], [[reagent bottle]], [[round-bottom flask]], sampler/ladle, scoop, [[stirring rod]], [[stopcock]], [[stopper]], [[tes
  7 KB (880 words) - 19:29, 16 October 2022
• Phosphoric acid
  ...sing phosphoric acid without damaging glassware that can exit the reaction flask in gaseous form below this temperature.
  9 KB (1,223 words) - 00:12, 29 March 2020
• Proper disposal of chemicals
  ...s and salts. However, as the carbonate is formed, it will creep out of the flask, covering it. For quicker results, alkali bases can be neutralized with any
  347 KB (46,057 words) - 20:09, 13 March 2024
• Oxalic acid
  ...ion subsides, add the hot solution into an evaporating basin. Wash out the flask with 10 ml of conc. nitric acid and evaporate the solution on the water bat
  8 KB (1,006 words) - 15:03, 18 November 2023
• Petroleum ether
  ...ether_in_Erlenmeyer_flask.jpg|thumb|300px|Petroleum ether in an Erlenmeyer flask.]]
  3 KB (391 words) - 21:07, 2 February 2020
• Preparing solutions
  ...available equipment. It is best to prepare molar solutions in [[volumetric flask]]s, although graduated cylinders will also work if volumetric flasks are no * Add the solute to the proper size of volumetric flask or graduated cylinder ''before'' adding the solvent using a powder funnel t
  6 KB (1,081 words) - 21:36, 25 April 2019
• Synthesis of salicylic acid
  ...er on top of a hot plate or other heating source, and place a round-bottom flask full of ice water on top of the beaker. Reflux for 30 minutes at 100 °C. 4- Add some sulfuric acid to the reaction flask. A white solid should form. Add sulfuric acid until no more solid forms.
  7 KB (1,088 words) - 20:32, 28 July 2015